The Sydney Morning Herald | Guilty verdict: cheating GP killed his wife with insulin jab The Australian A Sydney doctor was having daily sex with his secret lover, longed to marry her and stood to gain more than $500,000 from life insurance at the time he murdered his wife with a lethal injection of fast-acting insulin into her buttock. Brian Kenneth ... Brian Crickitt found guilty of murder GP guilty of wife's insulin-induced death Wife-murdering doctor kisses spouse goodbye |